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Production of high-grade antimony oxide from smelter slag via

Additionally, there is a study focusing on the characterization of crude products containing high احصل على السعر

Lead and tin removal from antimony metal by refining

the antimony losses in the form of antimonate sodium compounds. The refining agent pre احصل على السعر

Efficient removal and recovery of lead from high arsenic antimony

2024/11/1  The high arsenic crude antimony oxide powder used in the experiment is a احصل على السعر

Antimony and arsenic substance flow analysis in antimony ...

2023/7/1  Smelting slag, antimony matte, and crude antimony are obtained from the melt احصل على السعر

Recovery of Antimony from Refinery Slag of Unified Mining

taining the volatile “crude oxide” from a concentrate with an average grade of 55% Sb that احصل على السعر

Lead and tin removal from antimony metal by refining

the antimony losses in the form of antimonate sodium compounds. The refining agent pre-dewatering decreased the evolution of gases during refining and the loss of antimony with gases. The certain amount of refining reagent or flux was added to 200 g of crude antimony containing 3.46% of lead and 1.48 % of tin. The mixture was placedاحصل على السعر

Bismuth Metallurgy - SpringerLink

2023/5/17  In nature, there is a small amount of the simple substance of bismuth. The most common bismuth minerals include bismuthinite (Bi 2 S 3), bismutite (Bi 2 O 3 or bismite), copper bismuthinite (3Cu2S4Bi2S3), plumbum bismuthinite (2PbSBi 2 S 3), and so on, among which Bi 2 S 3 and Bi2O3 are of the highest value. The bismuth minerals are usually associated with احصل على السعر

Antimony, a pollutant of emerging concern: A review on industrial ...

2021/8/1  Some of the refineries add lead into the anode, in order to precipitate antimony as Pb–Sb mixed oxide, to control the electrolyte antimony concentration. Another strategy used by the refineries is to control the electrolytic arsenic concentration or control the As/(Sb + Bi) ratio in the anodes to precipitate antimony as antimony arsenate ...احصل على السعر

Antimony (Sb) - Definition, Preparation, Properties, Uses

2024/6/26  Roasting: The antimony sulfide is roasted in air to convert it into antimony oxide (Sb₂O₃). Reduction: The antimony oxide is then reduced to metallic antimony by heating it with carbon or by reacting it with iron scrap in a blast furnace. Refining: The crude antimony is further refined to remove impurities. This is typically done through ...احصل على السعر

REMOVAL OF LEAD FROM CRUDE ANTIMONY BY USING

content of lead in crude antimony was from 0.1% to ... and it was widely used in antimony fire refining process. But ammonia will pollute the ... XRD using pure lead oxide and antimony oxide toاحصل على السعر

Separation of Lead from Crude Antimony by Pyro-Refining

2016/4/18  The main purpose of this study was to separate lead from crude antimony through an oxidation pyro-refining process and by using sodium metaphosphate as a lead elimination reagent. The process parameters that will affect the refining results were optimized experimentally under controlled conditions, such as the sodium metaphosphate charging احصل على السعر

Refining - SpringerLink

2021/6/23  The variation in the solubility of impurities in the crude melt can be used in refining/separation. For example, zinc and lead are partially miscible in liquid state. When crude zinc is kept in a furnace at a temperature just above the melting point of zinc (419.6 °C), two liquid layers, one rich in zinc and the other rich in lead are formed.احصل على السعر

(PDF) Antimony Production and Commodites - ResearchGate

2019/2/20  Antimony (Sb) has a long and diverse history of applications, from a marginal use in cosmetics, pigments and pharmacology in ancient times to a drastic increase in its demand over the 20th century ...احصل على السعر

A New Pyrometallurgical Process for Producing Antimony White

2014/6/6  Antimonial dust is a by-product of lead smelting and an important material for extracting antimony. A new pyrometallurgical process for producing antimony white from the antimonial dust is reported. The process mainly consists of three steps, which are reduction smelting, alkaline refining, and blowing oxidation. First, the reduction smelting of antimonial احصل على السعر

US3262773A - Process for the removal of arsenic, antimony, tin

a slag with a higher calcium oxide content that is capable of removing not only arsenic but also antimony, tin and other acid-oxide forming elements can be formed by subjecting the slag to an oxidizing treatment after the addition thereto of calcium oxide or calcium oxide precursors such as calcium carbonate or calcium hydroxide, with or without the addition of fluxes, and without the احصل على السعر

A New Pyrometallurgical Process for Producing Antimony

2014/9/1  This work uses a nitric acid leaching method to remove As from crude antimony trioxide. Arsenic oxide and antimony oxide are respectively converted to soluble H3AsO4 and insoluble antimony(III ...احصل على السعر

Recovery of Antimony from Refinery Slag of Unified Mining

Unified Mining Company S.A. (EMUSA) recovers antimony from an antimonite concentrate with antimony trioxide volatilization systems, the following flowchart in figure 1 shows the antimony production lines of EMUSA. In line 1 of antimony oxide production shown in figure 1, the operating temperature is 1000℃ for the removal of sulfur as and ob-احصل على السعر

Fire Refining of Rough Antimony from Impurities for

2022/2/1  First, the reduction smelting of antimonial dust is carried out in an oxygen-rich bottom blow furnace to enrich antimony and lead in the crude alloy. The antimony and lead contents in the slag can ...احصل على السعر

Development of a process for production high purity Antimony

1991/9/15  Our process involves chlorination of commercial grade Sb metal, distillation of crude SbCl3 with 6N HCl, conversion to oxide , reduction of antimony oxide to metal with hydrogen and zone refining.احصل على السعر

A New Pyrometallurgical Process for Producing Antimony

2014/9/1  This work uses a nitric acid leaching method to remove As from crude antimony trioxide. Arsenic oxide and antimony oxide are respectively converted to soluble H3AsO4 and insoluble antimony(III ...احصل على السعر

Recovery of Antimony from Refinery Slag of Unified Mining

Unified Mining Company S.A. (EMUSA) recovers antimony from an antimonite concentrate with antimony trioxide volatilization systems, the following flowchart in figure 1 shows the antimony production lines of EMUSA. In line 1 of antimony oxide production shown in figure 1, the operating temperature is 1000℃ for the removal of sulfur as and ob-احصل على السعر

Fire Refining of Rough Antimony from Impurities for

2022/2/1  First, the reduction smelting of antimonial dust is carried out in an oxygen-rich bottom blow furnace to enrich antimony and lead in the crude alloy. The antimony and lead contents in the slag can ...احصل على السعر

Development of a process for production high purity Antimony

1991/9/15  Our process involves chlorination of commercial grade Sb metal, distillation of crude SbCl3 with 6N HCl, conversion to oxide , reduction of antimony oxide to metal with hydrogen and zone refining.احصل على السعر

(PDF) Removal of lead from crude antimony by using NaPO3 as

2015/1/1  In order to solve the shortcomings when removing lead from crude antimony in the traditional antimony smelting, a new process was provided using NaPO3 as lead elimination reagent to yield ...احصل على السعر

Antimony and arsenic substance flow analysis in antimony ...

2023/7/1  Trans. Nonferrous Met. Soc. China 33(2023) 2216−2230 Antimony and arsenic substance flow analysis in antimony pyrometallurgical process Ke WANG, Qin-meng WANG, Yuan-lin CHEN, Zhong-chen LI, Xue-yi GUO School of Metallurgy and Environment, Central South University, Changsha 410083, China Received 23 February 2022; accepted 31 July احصل على السعر

Recovery of Antimony from Refinery Slag of Unified Mining

2024/2/3  In line 1 of antimony oxide production shown in Fig. 1, the operating temperature is 1000 \(^\circ {\text{C}}\) for the removal of sulfur and obtaining the volatile “crude oxide” from a concentrate with an average grade of 55% Sb that avoids a higher frequency of slag bleeding. Line 2, is called the refining line, is intended for the production of high-quality antimony trioxide.احصل على السعر

One-Step Extraction of Antimony in Low Temperature from

2016/7/7  A new process for one-step extraction of antimony in low temperature from stibnite concentrate by reductive sulfur-fixation smelting in sodium molten salt, using iron oxide as sulfur-fixing agent, was presented. The influences of molten salt addition and composition, ferric oxide dosage, smelting temperature and duration on extraction efficiency of antimony were احصل على السعر

Separation behavior of arsenic and lead from antimony during

2020/5/1  The pyrometallurgical routes consist of roasting, oxide volatilization and then carbothermic reduction of Sb 2 O 3 or ... Method for removal of lead and arsenic in crude antimony vacuum refining process. CN104328289A (2014) Google Scholar [10] Y. Dai, B. Yang. Vacuum metallurgy for nonferrous metals and materials.احصل على السعر

Antimony and Antimony Compounds - Grund - Wiley Online

2006/7/15  Refining. 8. Fine Purification. 9. Recovery of Antimony Oxide ... and usage of the element antimony and its primary compounds. Stibnite, which is referred to as crude antimony when its Sb 2 S 3 content is above 90 %, has a low melting point and it can be extracted by melting (liquidation). Antimony metal is recovered from ore primarily by ...احصل على السعر

USAC PRODUCTION FACILITIES - usantimony

UNITED STATES ANTIMONY CORPORATION PO Box 540308. Dallas, TX 75354 Phone: 406-827-3523 406-827-3543. E-mail: info@usantimony (Please specify if you would like to direct your email to a specific member of management or the Board and your message will be routed) NYSE: UAMY usantimony and bearriverzeoliteاحصل على السعر

NATIONALLY-DEFINED VALUES - WASTE CODE - US EPA

petroleum refinery secondary (emulsified) oil/water/solids separation sludge - any sludge and/or float generated from the physical and/or chemical separation of oil/water/solids in process wastewaters and oily cooling wastewaters from petroleum refineries. ... (e.g.,antimony metal or crude antimony oxide) k177: slag from the production of ...احصل على السعر

12.11 Secondary Lead Processing - US EPA

Refining and alloying operating temperatures range from 320 to 700°C (600 to 1300°F). Alloying furnaces simply melt and mix ingots of lead and alloy materials. Antimony, tin, arsenic, copper, and nickel are the most common alloying materials. Refining furnaces are used to either remove copper and antimony for soft lead production, orاحصل على السعر

The mechanism study and low-carbon analysis of biomass

This involves initially producing Sb 2 O 3, followed by reduction smelting to yield crude antimony, and culminating in the alkaline refining of crude antimony to produce refined antimony. The reduction smelting technology most commonly utilizes the antimony oxide powder reduction in a reverberatory furnace.احصل على السعر